Illume Refillable Reed Diffuser 3 Oz. - Citrus Crush is carefully crafted with the highest quality fragrance oils and designed to fill your air with fragrance. The diffuser has a modern shape and grounding white ceramic collar. It is refillable with Illume's 6 oz alcohol-free diffuser refill. Approximate product size: 3.5" x 3.5" x 9.5." Vegan. Cruelty-free. Alcohol-free. Citrus Crush is grounded in balsamic sandalwood with a heart of muddled summer fruit and kissed with sun-ripened mandarin.